2 * This file is part of DisOrder
3 * Copyright (C) 2004 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
24 /* a sink is something you write to (the opposite would be a source) */
29 int (*write
)(struct sink
*s
, const void *buffer
, int nbytes
);
30 /* return >= 0 on success, -1 on error */
33 struct sink
*sink_stdio(const char *name
, FILE *fp
);
34 /* return a sink which writes to @fp@. If @name@ is not a null
35 * pointer, it will be used in (fatal) error messages; if it is a null
36 * pointer then errors will be signalled by returning -1. */
38 struct sink
*sink_dynstr(struct dynstr
*output
);
39 /* return a sink which appends to @output@. */
41 int sink_vprintf(struct sink
*s
, const char *fmt
, va_list ap
);
42 int sink_printf(struct sink
*s
, const char *fmt
, ...)
43 attribute((format (printf
, 2, 3)));
44 /* equivalent of vfprintf/fprintf for sink @s@ */
46 static inline int sink_write(struct sink
*s
, const void *buffer
, int nbytes
) {
47 return s
->write(s
, buffer
, nbytes
);
50 static inline int sink_writes(struct sink
*s
, const char *str
) {
51 return s
->write(s
, str
, strlen(str
));
54 static inline int sink_writec(struct sink
*s
, char c
) {
55 return s
->write(s
, &c
, 1);